He serves as the chairman of Millbrook Capital Management[1] and has been active in businesses for a number[clarification needed] of years.
[2] Dyson attended Cornell University's College of Agriculture and Life Sciences,[3] where he was a member of Alpha Delta Phi fraternity.
In December 1975, Dyson was appointed by Carey to serve as Commissioner of Commerce, which put him in charge of economic development and tourism.
He continued to serve in the Giuliani Administration from 1996 to 2002 in the part-time position of Chairman of the Mayor's Council of Economic Advisors.
In 2020 he sold a minority share of Williams Selyem Winery to Domaine Faiveley, the family-owned Burgundy winemakers.